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Bmc Firmware CVE-2018-3682

HIGH
Improper Privilege Management (CWE-269)
2018-07-10 secure@intel.com
8.2
CVSS 3.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V8 - Authorization Least privilege enforcement
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 8.2 (HIGH). Attack characteristics: local attack vector, low complexity, high privileges required, no user interaction not required.

Exploit ScenarioDerived

A local attacker with access to the system could escalate privileges to gain unauthorized elevated access.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAI

BMC Firmware in Intel server boards, compute modules, and systems potentially allow an attacker with administrative privileges to make unauthorized read\writes to the SMBUS. Rated high severity (CVSS 8.2), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply principle of least privilege, validate privilege transitions, implement proper role separation.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Improper Privilege Management (CWE-269), which allows attackers to escalate privileges to gain unauthorized elevated access. BMC Firmware in Intel server boards, compute modules, and systems potentially allow an attacker with administrative privileges to make unauthorized read\writes to the SMBUS. Affected products include: Intel Bmc Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.2 HIGH
AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

BMC Firmware in Intel server boards, compute modules, and systems potentially allow an attacker with administrative privileges to make unauthorized read\writes to the SMBUS.

Threat Intelligence Overview

EPSS Score
0.3%
Top 78% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

41
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +41
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

Affected Products (CPE)NVD

cpe:2.3:o:intel:bmc_firmware:-:*:*:*:*:*:*:*
CVE-2020-11486 CRITICAL
9.8 Oct 29

NVIDIA DGX servers, all DGX-1 with BMC firmware versions prior to 3.38.30, contain a vulnerability in the AMI BMC firmwa

CVE-2020-11483 CRITICAL
9.8 Oct 29

NVIDIA DGX servers, all DGX-1 with BMC firmware versions prior to 3.38.30 and all DGX-2 with BMC firmware versions prior

CVE-2018-12171 CRITICAL
9.8 Sep 12

Privilege escalation in Intel Baseboard Management Controller (BMC) firmware before version 1.43.91f76955 may allow an u

CVE-2020-11485 HIGH
8.8 Oct 29

NVIDIA DGX servers, all DGX-1 with BMC firmware versions prior to 3.38.30, contains a Cross-Site Request Forgery (CSRF)

CVE-2020-11616 HIGH
7.5 Oct 29

NVIDIA DGX servers, all BMC firmware versions prior to 3.38.30, contain a vulnerability in the AMI BMC firmware in which

CVE-2020-11615 HIGH
7.5 Oct 29

NVIDIA DGX servers, all BMC firmware versions prior to 3.38.30, contain a vulnerability in the AMI BMC firmware in which

CVE-2020-11489 HIGH
7.5 Oct 29

NVIDIA DGX servers, all DGX-1 with BMC firmware versions prior to 3.38.30 and all DGX-2 with BMC firmware versions prior

CVE-2020-11487 HIGH
7.5 Oct 29

NVIDIA DGX servers, DGX-1 with BMC firmware versions prior to 3.38.30. Rated high severity (CVSS 7.5), this vulnerabilit

CVE-2020-11488 MEDIUM
6.7 Oct 29

NVIDIA DGX servers, all DGX-1 with BMC firmware versions prior to 3.38.30 and all DGX-2 with BMC firmware versions prior

CVE-2020-11484 MEDIUM
4.9 Oct 29

NVIDIA DGX servers, all DGX-1 with BMC firmware versions prior to 3.38.30, contains a vulnerability in the AMI BMC firmw

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